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A gun related side line

One of the fitters at work is a keen shooter. He knows that I have a mill with dividing head (which he doesn't) and asked whether I could make up a bolt handle for him. He's going to come back with a sketch and was talking about spiral milling...
These are just some trial pieces based on some 'net pictures. They would need to be deburred/ blasted and painted if they were to be used but you get the idea (dimensions are around 40mm high and 25mm diameter). Apparently the real trick is putting a thread on the bolt. He can sort that bit.

Nice machining, but as an ex-shooter myself, I never had much time for people who did things like that to their firearms. Sort of like bolting bling onto a car......

I also prefer function over form, but I think that statement is a little harsh and quite generalistic.

While I agree that changing a bolt handle is sometimes done for purely aesthetic reasons, it is also often done for ergonomic/functional reasons i.e. changing the shape to make the bolt more comfortable to use, accessible, or to help position it better in a different stock, or to keep it from hitting the scope when cycling a round. Hardly like bolt on bling.

So if you are going to/need to change it, why not go for something that looks nice.

Cheers.

Vernon.
__________________________________________________
Bite off more than you can chew and then chew like crazy.

Apparently the real trick is putting a thread on the bolt. He can sort that bit.

I do bolt threading with my lathe. I made a fixture that mounts in place of my lathes compound. I can swivel it a tad if the customer wants the knob angled back or kept straight. First I cut off the ball with a boring head that is mounted in my lathes spindle. Turned down it is now threaded with a hand die that is aligned with a fat live center in my lathe tailstock. I made some 1" dia brass knobs that everyone seems to like...Bob

Tactical bolt knobs have drawbacks. The increased length may make them easier to grab especially with gloves but it also causes extra sideways bolt binding . If the action to bolt fit is a bit sloppy and already prone to binding the longer knob makes it worse not better . You have to develop a pull straight back kind of bolt use not push across the centre line of the bolt . On a nice smooth Sako it works ok on a sloppy Mauser 98 not so good but you can develop the right pull back . If you watch some Military snipers using them they tend to hook a finger on the handle closer to the centre of the bolt after raising the bolt handle fully to pull back , this negates binding .

The volume of a pizza of thickness 'a' and radius 'z' is given by pi z z a.

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